Prepare release 9 6 0 (#1186)

Author: tomuben

doc/changes/changes_9.6.0.md

@@ -1,10 +1,10 @@
-# script-languages-release 9.6.0, released t.b.d.
+# script-languages-release 9.6.0, released 2025-07-18
 
-Code name: t.b.d.
+Code name: New CI/CD
 
 ## Summary
 
-t.b.d.
+The CI/CD was migrated to Github workflows. The Cuda template flavor is now compatible with Exasol DB GPU support. The cuda integration tests are now executed on a GPU Github runner. Python package `sqlglot` was added to the Python standard flavor. Documentation for Script Options was added. Besides, the release contains several internal refactorings and security fixes.
 
 ## [Package Version Comparison between Release 9.6.0 and 9.5.2](package_diffs/9.6.0/README.md)